US2642810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1947-05-10
•
Granted: 1953-06-23
•
Expires: 1967-05-10
Abstract
No abstract record available.
Inventors
- 👤 Robinson James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:38
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/0052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1539616A
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US1840866A
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US1867308A
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US2146117A
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US2161143A
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US2206305A
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US2300009A
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US2307041A
Cited
US2455330A
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US2480069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |